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Finding the Fourth Proportional to 179,649.60, 247,922.60 and 99,079.60

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Solution

The fourth proportional to 179,649.60, 247,922.60 and 99,079.60 is: 136,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,649.60 : 247,922.60 = 99,079.60 : x
  2. Step 2: Convert to fraction form
    179,649.60/247,922.60 = 99,079.60/x
  3. Step 3: Cross multiply
    179,649.60x = 247,922.60 × 99,079.60
  4. Step 4: Simplify right side
    179,649.60x = 24,564,072,038.96
  5. Step 5: Solve for x
    x = 24,564,072,038.96/179,649.60
  6. Step 6: Final answer
    x = 136,733.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.